Jamaica's Yohan Blake (left) and Usain Bolt at the Athletics World Championships in Daegu last year. World record holder Usain Bolt and world champion Yohan Blake stormed onto centre-stage at the ... more&nbsp

Jamaica's Yohan Blake (left) and Usain Bolt at the Athletics World Championships in Daegu last year. World record holder Usain Bolt and world champion Yohan Blake stormed onto centre-stage at the Olympics on Saturday as amputee runner Oscar Pistorius made history less&nbsp